Closeup of the polyps of the "black" coral seen in image expn4017.
Image ID: expn4018, Voyage To Inner Space - Exploring the Seas With NOAA Collect
Location: USVI, St. Croix approximately 850 meters
Photo Date: 20150427T161412Z
Credit: NOAA OKEANOS EXPLORER Program, Oceano Profundo 2015; Exploring Puerto Rico's Seamounts, Trenches, and Troughs
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